Feature:1. Active Detection Function: With active detection function, the host can be carried with you, and can be detected when there are eavesdroppers and cameras in the environment.2. With Indicator Light: It has a signal strength indicator, which can quickly find the source of the signal, and the sensitivity can be adjusted by adjusting the function buttons.3. Multipurpose: It can check whether there are wireless cameras, bugs in hotel rooms, public bathrooms, locker rooms, hotels, cars, offices, etc. It can also be used in business negotiations, school proctoring places, factories, military equipment, etc.4. Secrecy Protection: It can effectively prevent eavesdropping, candid photos and leakage of individual secrecy and business secrets.5. Gift: This is a great birthday, holiday or anniversary gift for someone who values secrecy!Specification:Item Type: Camera DetectorProduct Material: Plastic, ElectronicsCharging Interface: Micro UsbWorking Time: 5 Consecutive HoursAntenna Gain: -56dbCharging Power Supply: DC5V1ASensitivity: 4 Levels AdjustableReceiving Frequency Range: 1MHz-6.5GHzSignal Acceptance Range: Approx.5cm-10m / 2in-10.9ydDetection Distance: Approx.10cm-10m / 3.9in-10.9ydBattery Type: Built in 200mAh Lithium Battery (Included).Package List:1 x Host1 x Charging Cable1 x User Manual